diff --git a/color_filters.c b/color_filters.c
index b9a0429333..0cb8e6b57a 100644
--- a/color_filters.c
+++ b/color_filters.c
@@ -712,7 +712,7 @@ write_filter(gpointer filter_arg, gpointer data_arg)
 
     if ( (colorf->selected || !data->only_selected) &&
          (strstr(colorf->filter_name,CONVERSATION_COLOR_PREFIX)==NULL) ) {
-        fprintf(f,"%s@%s@%s@[%d,%d,%d][%d,%d,%d]\n",
+        fprintf(f,"%s@%s@%s@[%u,%u,%u][%u,%u,%u]\n",
                 colorf->disabled ? "!" : "",
                 colorf->filter_name,
                 colorf->filter_text,
diff --git a/dumpcap.c b/dumpcap.c
index fa845b9c63..7664a777b9 100644
--- a/dumpcap.c
+++ b/dumpcap.c
@@ -1583,7 +1583,7 @@ report_capture_count(gboolean reportit)
 {
     /* Don't print this if we're a capture child. */
     if (!capture_child && reportit) {
-        fprintf(stderr, "\rPackets captured: %u\n", global_ld.packet_count);
+        fprintf(stderr, "\rPackets captured: %d\n", global_ld.packet_count);
         /* stderr could be line buffered */
         fflush(stderr);
     }
@@ -4981,7 +4981,7 @@ console_log_handler(const char *log_domain, GLogLevelFlags log_level,
         level = "Dbg ";
         break;
     default:
-        fprintf(stderr, "unknown log_level %u\n", log_level);
+        fprintf(stderr, "unknown log_level %d\n", log_level);
         level = NULL;
         g_assert_not_reached();
     }
diff --git a/epan/dfilter/dfvm.c b/epan/dfilter/dfvm.c
index 2ce422c5d8..0cd3fee6bd 100644
--- a/epan/dfilter/dfvm.c
+++ b/epan/dfilter/dfvm.c
@@ -273,12 +273,12 @@ dfvm_dump(FILE *f, dfilter_t *df)
 				break;
 
 			case IF_TRUE_GOTO:
-				fprintf(f, "%05d IF-TRUE-GOTO\t%d\n",
+				fprintf(f, "%05d IF-TRUE-GOTO\t%u\n",
 						id, arg1->value.numeric);
 				break;
 
 			case IF_FALSE_GOTO:
-				fprintf(f, "%05d IF-FALSE-GOTO\t%d\n",
+				fprintf(f, "%05d IF-FALSE-GOTO\t%u\n",
 						id, arg1->value.numeric);
 				break;
 
diff --git a/epan/dfilter/gencode.c b/epan/dfilter/gencode.c
index e9eb2235b5..90ab7e2f9a 100644
--- a/epan/dfilter/gencode.c
+++ b/epan/dfilter/gencode.c
@@ -310,7 +310,7 @@ gen_entity(dfwork_t *dfw, stnode_t *st_arg, dfvm_value_t **p_jmp)
 		reg = dfw_append_function(dfw, st_arg, p_jmp);
 	}
 	else {
-		printf("sttype_id is %u\n", e_type);
+		printf("sttype_id is %u\n", (unsigned)e_type);
 		g_assert_not_reached();
 	}
 	return reg;
diff --git a/epan/except.c b/epan/except.c
index 0efe53b45d..2e79f902c0 100644
--- a/epan/except.c
+++ b/epan/except.c
@@ -216,11 +216,11 @@ G_GNUC_NORETURN WS_MSVC_NORETURN static void do_throw(except_t *except)
 static void unhandled_catcher(except_t *except)
 {
     if (except->except_message == NULL) {
-        fprintf(stderr, "Unhandled exception (group=%ld, code=%ld)\n",
+        fprintf(stderr, "Unhandled exception (group=%lu, code=%lu)\n",
                 except->except_id.except_group,
                 except->except_id.except_code);
     } else {
-        fprintf(stderr, "Unhandled exception (\"%s\", group=%ld, code=%ld)\n",
+        fprintf(stderr, "Unhandled exception (\"%s\", group=%lu, code=%lu)\n",
                 except->except_message, except->except_id.except_group,
                 except->except_id.except_code);
     }
diff --git a/epan/ftypes/ftype-integer.c b/epan/ftypes/ftype-integer.c
index 0b0dd698f9..ee11d17fc0 100644
--- a/epan/ftypes/ftype-integer.c
+++ b/epan/ftypes/ftype-integer.c
@@ -478,7 +478,7 @@ integer64_repr_len(fvalue_t *fv _U_, ftrepr_t rtype _U_, int field_display _U_)
 static void
 integer64_to_repr(fvalue_t *fv, ftrepr_t rtype _U_, int field_display _U_, char *buf)
 {
-	sprintf(buf, "%" G_GINT64_MODIFIER "d", fv->value.integer64);
+    sprintf(buf, "%" G_GINT64_MODIFIER "d", (gint64)fv->value.integer64);
 }
 
 static int
diff --git a/epan/oids.c b/epan/oids.c
index 7489b2792c..6c7d916568 100644
--- a/epan/oids.c
+++ b/epan/oids.c
@@ -569,9 +569,9 @@ static void register_mibs(void) {
 		} else {
 			char* mod_name =  smiLoadModule(smi_modules[i].name);
 			if (mod_name)
-				D(2,("Loaded: '%s'[%d] as %s",smi_modules[i].name,i,mod_name ));
+				D(2,("Loaded: '%s'[%u] as %s",smi_modules[i].name,i,mod_name ));
 			else
-				D(1,("Failed to load: '%s'[%d]",smi_modules[i].name,i));
+				D(1,("Failed to load: '%s'[%u]",smi_modules[i].name,i));
 		}
 	}
 
@@ -722,7 +722,7 @@ static void register_mibs(void) {
 					/* HFILL */
 					HFILL_INIT(hf);
 
-					D(5,("\t\t\tIndex: name=%s subids=%d key_type=%d",
+					D(5,("\t\t\tIndex: name=%s subids=%u key_type=%d",
 						 key->name, key->num_subids, key->key_type ));
 
 					if (key->hfid == -2) {
@@ -889,7 +889,7 @@ static guint check_num_oid(const char* str) {
 	if (!r) return 0;
 
 	do {
-		D(9,("\tcheck_num_oid: '%c' %d",*r,n));
+		D(9,("\tcheck_num_oid: '%c' %u",*r,n));
 		switch(*r) {
 			case '.': case '\0':
 				n++;
diff --git a/epan/print.c b/epan/print.c
index fca9c2d4a0..575ef52a11 100644
--- a/epan/print.c
+++ b/epan/print.c
@@ -540,29 +540,29 @@ print_pdml_geninfo(proto_tree *tree, FILE *fh)
 
     /* Print geninfo start */
     fprintf(fh,
-            "  <proto name=\"geninfo\" pos=\"0\" showname=\"General information\" size=\"%u\">\n",
+            "  <proto name=\"geninfo\" pos=\"0\" showname=\"General information\" size=\"%d\">\n",
             frame_finfo->length);
 
     /* Print geninfo.num */
     fprintf(fh,
-            "    <field name=\"num\" pos=\"0\" show=\"%u\" showname=\"Number\" value=\"%x\" size=\"%u\"/>\n",
+            "    <field name=\"num\" pos=\"0\" show=\"%u\" showname=\"Number\" value=\"%x\" size=\"%d\"/>\n",
             num, num, frame_finfo->length);
 
     /* Print geninfo.len */
     fprintf(fh,
-            "    <field name=\"len\" pos=\"0\" show=\"%u\" showname=\"Frame Length\" value=\"%x\" size=\"%u\"/>\n",
+            "    <field name=\"len\" pos=\"0\" show=\"%u\" showname=\"Frame Length\" value=\"%x\" size=\"%d\"/>\n",
             len, len, frame_finfo->length);
 
     /* Print geninfo.caplen */
     fprintf(fh,
-            "    <field name=\"caplen\" pos=\"0\" show=\"%u\" showname=\"Captured Length\" value=\"%x\" size=\"%u\"/>\n",
+            "    <field name=\"caplen\" pos=\"0\" show=\"%u\" showname=\"Captured Length\" value=\"%x\" size=\"%d\"/>\n",
             caplen, caplen, frame_finfo->length);
 
     tmp = abs_time_to_str(NULL, timestamp, ABSOLUTE_TIME_LOCAL, TRUE);
 
     /* Print geninfo.timestamp */
     fprintf(fh,
-            "    <field name=\"timestamp\" pos=\"0\" show=\"%s\" showname=\"Captured Time\" value=\"%d.%09d\" size=\"%u\"/>\n",
+            "    <field name=\"timestamp\" pos=\"0\" show=\"%s\" showname=\"Captured Time\" value=\"%d.%09d\" size=\"%d\"/>\n",
             tmp, (int) timestamp->secs, timestamp->nsecs, frame_finfo->length);
 
     wmem_free(NULL, tmp);
diff --git a/epan/proto.c b/epan/proto.c
index eea584f8c5..608a7f8639 100644
--- a/epan/proto.c
+++ b/epan/proto.c
@@ -7118,7 +7118,7 @@ proto_registrar_dump_values(void)
 					continue;
 				}
 				try_val_to_str_ext(0, vse_p); /* "prime" the extended value_string */
-				printf("E\t%s\t%d\t%s\t%s\n",
+				printf("E\t%s\t%u\t%s\t%s\n",
 				       hfinfo->abbrev,
 				       VALUE_STRING_EXT_VS_NUM_ENTRIES(vse_p),
 				       VALUE_STRING_EXT_VS_NAME(vse_p),
diff --git a/mergecap.c b/mergecap.c
index a8f7daa4ef..3f345be9d4 100644
--- a/mergecap.c
+++ b/mergecap.c
@@ -479,7 +479,7 @@ main(int argc, char *argv[])
     }
 
     if (verbose)
-      fprintf(stderr, "Record: %u\n", count++);
+      fprintf(stderr, "Record: %d\n", count++);
 
     /* We simply write it, perhaps after truncating it; we could do other
      * things, like modify it. */
diff --git a/plugins/wimaxasncp/packet-wimaxasncp.c b/plugins/wimaxasncp/packet-wimaxasncp.c
index 36f7966fae..15f9350dd4 100644
--- a/plugins/wimaxasncp/packet-wimaxasncp.c
+++ b/plugins/wimaxasncp/packet-wimaxasncp.c
@@ -3333,7 +3333,7 @@ register_wimaxasncp_fields(const char* unused _U_)
             {
                 printf(
                     "%s\n"
-                    "  type                   = %d\n"
+                    "  type                   = %u\n"
                     "  description            = %s\n"
                     "  decoder                = %s\n"
                     "  hf_root                = %d\n"
diff --git a/text2pcap.c b/text2pcap.c
index 951db9659c..3f22c0c397 100644
--- a/text2pcap.c
+++ b/text2pcap.c
@@ -1907,7 +1907,7 @@ parse_options (int argc, char *argv[])
                              hdr_src_port, hdr_dest_port);
         if (hdr_sctp) fprintf(stderr, "Generate dummy SCTP header: Source port: %u. Dest port: %u. Tag: %u\n",
                               hdr_sctp_src, hdr_sctp_dest, hdr_sctp_tag);
-        if (hdr_data_chunk) fprintf(stderr, "Generate dummy DATA chunk header: TSN: %u. SID: %d. SSN: %d. PPID: %u\n",
+        if (hdr_data_chunk) fprintf(stderr, "Generate dummy DATA chunk header: TSN: %u. SID: %u. SSN: %u. PPID: %u\n",
                                     hdr_data_chunk_tsn, hdr_data_chunk_sid, hdr_data_chunk_ssn, hdr_data_chunk_ppid);
     }
 }
diff --git a/ui/cli/tap-afpstat.c b/ui/cli/tap-afpstat.c
index a146223690..f6bfb82aa9 100644
--- a/ui/cli/tap-afpstat.c
+++ b/ui/cli/tap-afpstat.c
@@ -96,7 +96,7 @@ afpstat_draw(void *pss)
 		}
 
 		tmp_str = val_to_str_ext_wmem(NULL, i, &CommandCode_vals_ext, "Unknown (%u)");
-		printf("%-25s %6d %3d.%05d %3d.%05d %3" G_GINT64_MODIFIER "u.%05" G_GINT64_MODIFIER "u\n",
+		printf("%-25s %6u %3d.%05d %3d.%05d %3" G_GINT64_MODIFIER "u.%05" G_GINT64_MODIFIER "u\n",
 		       tmp_str,
 		       ss->proc[i].num,
 		       (int)ss->proc[i].min.secs, ss->proc[i].min.nsecs/10000,
diff --git a/ui/cli/tap-camelcounter.c b/ui/cli/tap-camelcounter.c
index 0eb40de997..e0bca3263c 100644
--- a/ui/cli/tap-camelcounter.c
+++ b/ui/cli/tap-camelcounter.c
@@ -79,7 +79,7 @@ static void camelcounter_draw(void *phs)
       tmp_str = val_to_str_wmem(NULL, i, camel_opr_code_strings, "Unknown message (%d)");
       printf("%30s ", tmp_str);
       wmem_free(NULL, tmp_str);
-      printf("%6d\n", p_counter->camel_msg[i]);
+      printf("%6u\n", p_counter->camel_msg[i]);
     }
   } /* Message Type */
   printf("------------------------------------------\n");
diff --git a/ui/cli/tap-camelsrt.c b/ui/cli/tap-camelsrt.c
index 7d2ab8d470..73aaff2073 100644
--- a/ui/cli/tap-camelsrt.c
+++ b/ui/cli/tap-camelsrt.c
@@ -124,7 +124,7 @@ static void camelsrt_draw(void *phs)
     if (hs->stats[j].num == 0) {
       tmp_str = val_to_str_wmem(NULL, j, camelSRTtype_naming, "Unknown Message 0x%02x");
       printf("|%24s |%8u |%8.2f ms|%8.2f ms|%8.2f ms|%10u |%10u |\n",
-             tmp_str, 0, 0.0, 0.0, 0.0, 0, 0);
+             tmp_str, 0U, 0.0, 0.0, 0.0, 0U, 0U);
       wmem_free(NULL, tmp_str);
       continue;
     }
diff --git a/ui/cli/tap-comparestat.c b/ui/cli/tap-comparestat.c
index 3d85d4ff09..d98fee2103 100644
--- a/ui/cli/tap-comparestat.c
+++ b/ui/cli/tap-comparestat.c
@@ -398,11 +398,11 @@ call_foreach_print_ip_tree(gpointer key _U_, gpointer value, gpointer user_data)
 
 	if (show_it) {
 		if (fInfo->fp->count < MERGED_FILES) {
-			printf("Packet id :%i, count:%i Problem:", fInfo->id, fInfo->fp->count);
+			printf("Packet id :%u, count:%u Problem:", fInfo->id, fInfo->fp->count);
 			printf("Packet lost\n");
 		}
 		if (fInfo->fp->count > MERGED_FILES) {
-			printf("Packet id :%i, count:%i Problem:", fInfo->id, fInfo->fp->count);
+			printf("Packet id :%u, count:%u Problem:", fInfo->id, fInfo->fp->count);
 			printf("More than two packets\n");
 			if (fInfo->fp->cksum == WRONG_CHKSUM) {
 				printf("Checksum error over IP header\n");
@@ -410,7 +410,7 @@ call_foreach_print_ip_tree(gpointer key _U_, gpointer value, gpointer user_data)
 		}
 		if (fInfo->fp->count == MERGED_FILES) {
 			if (fInfo->fp->cksum == WRONG_CHKSUM) {
-				printf("Packet id :%i, count:%i Problem:", fInfo->id, fInfo->fp->count);
+				printf("Packet id :%u, count:%u Problem:", fInfo->id, fInfo->fp->count);
 				printf("Checksum error over IP header\n");
 				if (((delta < (average-cs->stats.variance)) || (delta > (average+cs->stats.variance))) && (delta > 0.0) && (cs->stats.variance != 0)) {
 					printf("Not arrived in time\n");
@@ -419,13 +419,13 @@ call_foreach_print_ip_tree(gpointer key _U_, gpointer value, gpointer user_data)
 					printf("Not correct order\n");
 				}
 			} else if (((delta < (average-cs->stats.variance)) || (delta > (average+cs->stats.variance))) && (delta > 0.0) && (cs->stats.variance != 0)) {
-				printf("Packet id :%i, count:%i Problem:", fInfo->id, fInfo->fp->count);
+				printf("Packet id :%u, count:%u Problem:", fInfo->id, fInfo->fp->count);
 				printf("Package not arrived in time\n");
 				if ((nstime_cmp(&fInfo->fp->predecessor_time, &fInfo->zebra_time) > 0 || nstime_cmp(&fInfo->fp->partner->fp->predecessor_time, &fInfo->fp->partner->zebra_time) > 0) && fInfo->zebra_time.nsecs != MERGED_FILES && ON_method) {
 					printf("Not correct order\n");
 				}
 			} else if ((nstime_cmp(&fInfo->fp->predecessor_time, &fInfo->zebra_time) > 0 || nstime_cmp(&fInfo->fp->partner->fp->predecessor_time, &fInfo->fp->partner->zebra_time) > 0) && fInfo->zebra_time.nsecs != MERGED_FILES && ON_method) {
-				printf("Packet id :%i, count:%i Problem:", fInfo->id, fInfo->fp->count);
+				printf("Packet id :%u, count:%u Problem:", fInfo->id, fInfo->fp->count);
 				printf("Not correct order\n");
 			}
 		}
diff --git a/ui/cli/tap-diameter-avp.c b/ui/cli/tap-diameter-avp.c
index 54900cf64b..c93b1744d7 100644
--- a/ui/cli/tap-diameter-avp.c
+++ b/ui/cli/tap-diameter-avp.c
@@ -186,7 +186,7 @@ diameteravp_packet(void *pds, packet_info *pinfo, epan_dissect_t *edt _U_, const
 						ds->paired_ans_count++;
 				}
 				/* Output frame data.*/
-				printf("frame='%d' time='%f' src='%s' srcport='%d' dst='%s' dstport='%d' proto='diameter' msgnr='%d' is_request='%d' cmd='%d' req_frame='%d' ans_frame='%d' resp_time='%f' ",
+				printf("frame='%u' time='%f' src='%s' srcport='%u' dst='%s' dstport='%u' proto='diameter' msgnr='%u' is_request='%d' cmd='%u' req_frame='%u' ans_frame='%u' resp_time='%f' ",
 				       pinfo->fd->num, nstime_to_sec(&pinfo->fd->abs_ts), address_to_str(pinfo->pool, &pinfo->src), pinfo->srcport, address_to_str(pinfo->pool, &pinfo->dst), pinfo->destport, ds->diammsg_toprocess, is_request, cmd_code, req_frame, ans_frame, resp_time);
 				/* Visit selected nodes of one diameter message.*/
 				tree_traverse_pre_order(current, diam_tree_to_csv, &ds);
@@ -205,7 +205,7 @@ diameteravp_draw(void *pds)
 {
 	diameteravp_t *ds = (diameteravp_t *)pds;
 	/* printing results */
-	printf("=== Diameter Summary ===\nrequset count:\t%d\nanswer count:\t%d\nreq/ans pairs:\t%d\n", ds->req_count, ds->ans_count, ds->paired_ans_count);
+	printf("=== Diameter Summary ===\nrequset count:\t%u\nanswer count:\t%u\nreq/ans pairs:\t%u\n", ds->req_count, ds->ans_count, ds->paired_ans_count);
 }
 
 
diff --git a/ui/cli/tap-expert.c b/ui/cli/tap-expert.c
index f90002ad2b..4acdcd1692 100644
--- a/ui/cli/tap-expert.c
+++ b/ui/cli/tap-expert.c
@@ -159,7 +159,7 @@ static void draw_items_for_severity(GArray *items, const gchar *label)
     }
 
     /* Title */
-    printf("\n%s (%u)\n", label, total);
+    printf("\n%s (%d)\n", label, total);
     printf("=============\n");
 
     /* Column headings */
@@ -169,7 +169,7 @@ static void draw_items_for_severity(GArray *items, const gchar *label)
     for (n=0; n < items->len; n++) {
         ei = &g_array_index(items, expert_entry, n);
         tmp_str = val_to_str_wmem(NULL, ei->group, expert_group_vals, "Unknown (%d)");
-        printf("%12u %10s %18s  %s\n",
+        printf("%12d %10s %18s  %s\n",
               ei->frequency,
               tmp_str,
               ei->protocol, ei->summary);
diff --git a/ui/cli/tap-follow.c b/ui/cli/tap-follow.c
index 9646cc7923..d9f4f0d610 100644
--- a/ui/cli/tap-follow.c
+++ b/ui/cli/tap-follow.c
@@ -596,11 +596,11 @@ followDraw(
     address_to_str_buf(addr[node], buf, sizeof buf);
     if (addr[node]->type == AT_IPv6)
     {
-      printf("Node %u: [%s]:%d\n", node, buf, port[node]);
+      printf("Node %d: [%s]:%d\n", node, buf, port[node]);
     }
     else
     {
-      printf("Node %u: %s:%d\n", node, buf, port[node]);
+      printf("Node %d: %s:%d\n", node, buf, port[node]);
     }
   }
 
@@ -632,7 +632,7 @@ followDraw(
         break;
 
       case mode_ASCII:
-        printf("%s%d\n", node ? "\t" : "", sc.dlen);
+        printf("%s%u\n", node ? "\t" : "", sc.dlen);
         break;
 
       case mode_RAW:
diff --git a/ui/cli/tap-iostat.c b/ui/cli/tap-iostat.c
index 6b72c3a833..e175a9be6a 100644
--- a/ui/cli/tap-iostat.c
+++ b/ui/cli/tap-iostat.c
@@ -891,7 +891,7 @@ iostat_draw(void *arg)
         else
             spaces_s = &spaces[borderlen - col_w[j].val];
 
-        printf("%-2u%s|", j+1, spaces_s);
+        printf("%-2d%s|", j+1, spaces_s);
     }
     if (tabrow_w < borderlen) {
         filler_s = &spaces[tabrow_w+1];
diff --git a/ui/cli/tap-protohierstat.c b/ui/cli/tap-protohierstat.c
index 178892ccdb..292e83f8a8 100644
--- a/ui/cli/tap-protohierstat.c
+++ b/ui/cli/tap-protohierstat.c
@@ -145,7 +145,7 @@ phs_draw(phs_t *rs, int indentation)
 			stroff += g_snprintf(str+stroff, MAXPHSLINE-stroff, "  ");
 		}
 		g_snprintf(str+stroff, MAXPHSLINE-stroff, "%s", rs->proto_name);
-		printf("%-40s frames:%d bytes:%" G_GINT64_MODIFIER "d\n", str, rs->frames, rs->bytes);
+		printf("%-40s frames:%u bytes:%" G_GINT64_MODIFIER "u\n", str, rs->frames, rs->bytes);
 		phs_draw(rs->child, indentation+1);
 	}
 }
diff --git a/ui/cli/tap-rpcprogs.c b/ui/cli/tap-rpcprogs.c
index 611abf5894..6d7c1ceaa7 100644
--- a/ui/cli/tap-rpcprogs.c
+++ b/ui/cli/tap-rpcprogs.c
@@ -193,7 +193,7 @@ rpcprogs_draw(void *dummy _U_)
 		td = ((td / rp->num) + 500) / 1000;
 
 		g_snprintf(str, sizeof(str), "%s(%d)", rpc_prog_name(rp->program), rp->program);
-		printf("%-15s %2d %6d %3d.%06d %3d.%06d %3" G_GINT64_MODIFIER "u.%06" G_GINT64_MODIFIER "u\n",
+		printf("%-15s %2u %6d %3d.%06d %3d.%06d %3" G_GINT64_MODIFIER "u.%06" G_GINT64_MODIFIER "u\n",
 		       str,
 		       rp->version,
 		       rp->num,
diff --git a/ui/cli/tap-rpcstat.c b/ui/cli/tap-rpcstat.c
index b17fed7cd9..9a74c7bda6 100644
--- a/ui/cli/tap-rpcstat.c
+++ b/ui/cli/tap-rpcstat.c
@@ -199,7 +199,7 @@ rpcstat_draw(void *prs)
 	guint64 td;
 	printf("\n");
 	printf("==================================================================\n");
-	printf("%s Version %d SRT Statistics:\n", rs->prog, rs->version);
+	printf("%s Version %u SRT Statistics:\n", rs->prog, rs->version);
 	printf("Filter: %s\n", rs->filter ? rs->filter : "");
 	printf("Procedure        Calls    Min SRT    Max SRT    Avg SRT    Total\n");
 	for (i=0; i<rs->num_procedures; i++) {
@@ -298,8 +298,8 @@ rpcstat_init(const char *opt_arg, void *userdata _U_)
 	rpc_max_proc = -1;
 	g_hash_table_foreach(rpc_procs, (GHFunc)rpcstat_find_procs, NULL);
 	if (rpc_min_proc == -1) {
-		fprintf(stderr, "tshark: Invalid -z rpc,srt,%d,%d\n", rpc_program, rpc_version);
-		fprintf(stderr, "   Program:%d version:%d isn't supported by tshark.\n", rpc_program, rpc_version);
+		fprintf(stderr, "tshark: Invalid -z rpc,srt,%u,%u\n", rpc_program, rpc_version);
+		fprintf(stderr, "   Program:%u version:%u isn't supported by tshark.\n", rpc_program, rpc_version);
 		exit(1);
 	}
 
diff --git a/ui/cli/tap-scsistat.c b/ui/cli/tap-scsistat.c
index 8160e4e899..6bfe84f947 100644
--- a/ui/cli/tap-scsistat.c
+++ b/ui/cli/tap-scsistat.c
@@ -58,7 +58,8 @@ typedef struct _scsistat_t {
 	scsi_procedure_t *procedures;
 } scsistat_t;
 
-#define NANOSECS_PER_SEC 1000000000
+#define MICROSECS_PER_SEC 1000000
+#define NANOSECS_PER_SEC  1000000000
 
 static void
 scsistat_reset(void *prs)
@@ -153,14 +154,14 @@ scsistat_draw(void *prs)
 		td = ((guint64)(rs->procedures[i].tot.secs)) * NANOSECS_PER_SEC + rs->procedures[i].tot.nsecs;
 		td = ((td / rs->procedures[i].num) + 500) / 1000;
 
-		printf("%-19s %6d %3d.%06u %3d.%06u %3d.%06u \n",
+		printf("%-19s %6d %3d.%06d %3d.%06d %3u.%06u \n",
 		       rs->procedures[i].proc,
 		       rs->procedures[i].num,
 		       (int)(rs->procedures[i].min.secs),
 		       (rs->procedures[i].min.nsecs+500)/1000,
 		       (int)(rs->procedures[i].max.secs),
 		       (rs->procedures[i].max.nsecs+500)/1000,
-		       (int)(td/1000000), (int)(td%1000000)
+		       (td/MICROSECS_PER_SEC), (td%MICROSECS_PER_SEC)
 		);
 	}
 	printf("===========================================================\n");
diff --git a/ui/cli/tap-sipstat.c b/ui/cli/tap-sipstat.c
index e8e0271f61..d12d620365 100644
--- a/ui/cli/tap-sipstat.c
+++ b/ui/cli/tap-sipstat.c
@@ -375,15 +375,15 @@ sipstat_draw(void *psp  )
 	else
 		printf("SIP Statistics with filter %s\n", sp->filter);
 
-	printf("\nNumber of SIP messages: %d", sp->packets);
-	printf("\nNumber of resent SIP messages: %d\n", sp->resent_packets);
+	printf("\nNumber of SIP messages: %u", sp->packets);
+	printf("\nNumber of resent SIP messages: %u\n", sp->resent_packets);
 	printf(	"\n* SIP Status Codes in reply packets\n");
 	g_hash_table_foreach(sp->hash_responses, (GHFunc)sip_draw_hash_responses,
 		(gpointer)"  SIP %3d %-15s : %5d Packets\n");
 	printf("\n* List of SIP Request methods\n");
 	g_hash_table_foreach(sp->hash_requests,  (GHFunc)sip_draw_hash_requests,
 		(gpointer)"  %-15s : %5d Packets\n");
-	printf(	"\n* Average setup time %d ms\n Min %d ms\n Max %d ms\n", sp->average_setup_time, sp->min_setup_time, sp->max_setup_time);
+	printf(	"\n* Average setup time %u ms\n Min %u ms\n Max %u ms\n", sp->average_setup_time, sp->min_setup_time, sp->max_setup_time);
 	printf("===================================================================\n");
 }
 
diff --git a/ui/cli/tap-smbstat.c b/ui/cli/tap-smbstat.c
index 6142d28755..a8cd9667a4 100644
--- a/ui/cli/tap-smbstat.c
+++ b/ui/cli/tap-smbstat.c
@@ -129,7 +129,7 @@ smbstat_draw(void *pss)
 		td = ((td / ss->proc[i].num) + 500) / 1000;
 
 		tmp_str = val_to_str_ext_wmem(NULL, i, &smb_cmd_vals_ext, "Unknown (0x%02x)");
-		printf("%-25s %6d %3d.%06d %3d.%06d %3" G_GINT64_MODIFIER "u.%06" G_GINT64_MODIFIER "u\n",
+		printf("%-25s %6u %3d.%06d %3d.%06d %3" G_GINT64_MODIFIER "u.%06" G_GINT64_MODIFIER "u\n",
 		       tmp_str,
 		       ss->proc[i].num,
 		       (int)(ss->proc[i].min.secs), (ss->proc[i].min.nsecs+500)/1000,
diff --git a/ui/cli/tap-wspstat.c b/ui/cli/tap-wspstat.c
index 8c882bbfe9..eb06a67d88 100644
--- a/ui/cli/tap-wspstat.c
+++ b/ui/cli/tap-wspstat.c
@@ -187,10 +187,10 @@ wspstat_draw(void *psp)
 	for (i=1; i <= ((sp->num_pdus+1)/2); i++)
 	{
 		guint32 ii = i+sp->num_pdus/2;
-		printf("%-23s %9d", sp->pdu_stats[i ].type, sp->pdu_stats[i ].packets);
+		printf("%-23s %9u", sp->pdu_stats[i ].type, sp->pdu_stats[i ].packets);
 		printf(" || ");
 		if (ii< (sp->num_pdus) )
-			printf("%-23s %9d\n", sp->pdu_stats[ii].type, sp->pdu_stats[ii].packets);
+			printf("%-23s %9u\n", sp->pdu_stats[ii].type, sp->pdu_stats[ii].packets);
 		else
 			printf("\n");
 		}
diff --git a/ui/console.c b/ui/console.c
index f36a0ec604..94c6e5ac3f 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -83,7 +83,7 @@ console_log_handler(const char *log_domain, GLogLevelFlags log_level,
                 level = "Dbg ";
                 break;
             default:
-                fprintf(stderr, "unknown log_level %u\n", log_level);
+                fprintf(stderr, "unknown log_level %d\n", log_level);
                 level = NULL;
                 g_assert_not_reached();
         }
@@ -92,7 +92,7 @@ console_log_handler(const char *log_domain, GLogLevelFlags log_level,
         time(&curr);
         today = localtime(&curr);
 
-        fprintf(stderr, "%02u:%02u:%02u %8s %s %s\n",
+        fprintf(stderr, "%02d:%02d:%02d %8s %s %s\n",
                 today->tm_hour, today->tm_min, today->tm_sec,
                 log_domain != NULL ? log_domain : "",
                 level, message);
diff --git a/ui/gtk/rlc_lte_graph.c b/ui/gtk/rlc_lte_graph.c
index 3b0323dcab..4f9d2c16b1 100644
--- a/ui/gtk/rlc_lte_graph.c
+++ b/ui/gtk/rlc_lte_graph.c
@@ -1253,7 +1253,7 @@ static void draw_element_line(struct graph *g, struct element *e, cairo_t *cr,
     int xx1, xx2, yy1, yy2;
 
     debug(DBS_GRAPH_DRAWING)
-        printf("\nline element: (%.2f,%.2f)->(%.2f,%.2f), seg %d ...\n",
+        printf("\nline element: (%.2f,%.2f)->(%.2f,%.2f), seg %u ...\n",
                e->p.line.dim.x1, e->p.line.dim.y1,
                e->p.line.dim.x2, e->p.line.dim.y2, e->parent->num);
 
diff --git a/ui/gtk/tcp_graph.c b/ui/gtk/tcp_graph.c
index 79f27cea4b..c67fdfba22 100644
--- a/ui/gtk/tcp_graph.c
+++ b/ui/gtk/tcp_graph.c
@@ -2013,7 +2013,7 @@ static void draw_element_line(struct gtk_graph *g, struct element *e, cairo_t *c
     int xx1, xx2, yy1, yy2;
 
     debug(DBS_GRAPH_DRAWING) printf("line element: (%.2f,%.2f)->(%.2f,%.2f), "
-                                    "seg %d ... ", e->p.line.dim.x1, e->p.line.dim.y1,
+                                    "seg %u ... ", e->p.line.dim.x1, e->p.line.dim.y1,
                                     e->p.line.dim.x2, e->p.line.dim.y2, e->parent->num);
 
     /* Set our new colour (if changed) */
diff --git a/ui/win32/file_dlg_win32.c b/ui/win32/file_dlg_win32.c
index 57a8aa0419..442ddac1c0 100644
--- a/ui/win32/file_dlg_win32.c
+++ b/ui/win32/file_dlg_win32.c
@@ -1942,7 +1942,7 @@ range_update_dynamics(HWND dlg_hwnd, packet_range_t *range) {
     if (range->remove_ignored && g_cf->current_frame && g_cf->current_frame->flags.ignored) {
         StringCchPrintf(static_val, STATIC_LABEL_CHARS, _T("0"));
     } else {
-        StringCchPrintf(static_val, STATIC_LABEL_CHARS, _T("%u"), selected_num ? 1 : 0);
+        StringCchPrintf(static_val, STATIC_LABEL_CHARS, _T("%d"), selected_num ? 1 : 0);
     }
     SetWindowText(cur_ctrl, static_val);
 
@@ -1951,7 +1951,7 @@ range_update_dynamics(HWND dlg_hwnd, packet_range_t *range) {
     if (range->remove_ignored && g_cf->current_frame && g_cf->current_frame->flags.ignored) {
         StringCchPrintf(static_val, STATIC_LABEL_CHARS, _T("0"));
     } else {
-        StringCchPrintf(static_val, STATIC_LABEL_CHARS, _T("%u"), selected_num ? 1 : 0);
+        StringCchPrintf(static_val, STATIC_LABEL_CHARS, _T("%d"), selected_num ? 1 : 0);
     }
     SetWindowText(cur_ctrl, static_val);